Due diligence corridor is ____ from centerline
Top soil should be removed ___ to ___ inches and seperated ___ to __ feet.
Key areas to verify certification and qualification include?
a) office personal
b) heavy equipment mechanics
c) welders, blasting personal
d) management
Which of the following is not true regarding welding and cutting near combustibles?
a) no welding or cutting she,ll be done unless the atmosphere is non-flammable and combustibles are moved away or protected from fire and hazards.
b) where it is practical, the welding or cutting work she,ll be moved to a designated safe location.
c) where the work and fire hazards are not movable, safeguards she,ll be used to protect the immovable fire hazards and nearby personnel.
d) welding should not be done with floors are combustible.
How often are inspectors required to inspect temporary Rosian control measures?
A miter joint on steel pipe to be operated at a stress of 30% of SMYS may not deflect the pipe more than _______ degrees.
Standard?
Test medium temp instrument should be within ______ deg F of actual temp
Trench Boxes must extend ____above outside soil level